1% vs. 86.0% and 73.5% vs. 58.1%, respectively; ?&gt;?0.05). The primary patency rate at 12 months in the BVS group was significantly higher than that in the CBS group (61.8% vs. 32.6%; ?=?0.008).
Endovascular treatment of central vein obstruction with BVS provided a higher primary patency rate at 12 months than CBS.
Endovascular treatment of central vein obstruction with BVS provided a higher primary patency rate at 12 months than CBS.Non-invasive modalities for assessing axillary lymph node (ALN) are needed in clinical practice.
To investigate the suspicious ALN on unenhanced T2-weighted (T2W) imaging and intravoxel incoherent motion diffusion-weighted imaging (IVIM DWI) for predicting ALN metastases (ALNM) in patients with T1-T2 stage breast cancer and clinically negative ALN.
Two radiologists identified the most suspicious ALN or the largest ALN in negative axilla by T2W imaging features, including short axis (Size-S), long axis (Size-L)/S ratio, fatty hilum, margin, and signal intensity on T2W imaging. The IVIM parameters of these selected ALNs were also obtained. The Mann-Whitney U test or t-test was used to compare the metastatic and non-metastatic ALN groups. Finally, logistic regression analysis with T2W imaging and IVIM features for predicting ALNM was conducted.
This study included 49 patients with metastatic ALNs and 50 patients with non-metastatic ALNs. Using the above conventional features on T2W imaging, the sensitivity and specificity in predicting ALNM were not high. Compared with non-metastatic ALNs, metastatic ALNs had lower pseudo-diffusion coefficient (D*) (?=?0.043). Logistic regression analysis showed that the most useful features for predicting ALNM were signal intensity and D*. The sensitivity and specificity predicting ALNM that satisfied abnormal signal intensity and lower D* were 73.5% and 84%, respectively.
The abnormal signal intensity on T2W imaging and one IVIM feature (D*) were significantly associated with ALNM, with sensitivity of 73.5% and specificity of 84%.
The abnormal signal intensity on T2W imaging and one IVIM feature (D*) were significantly associated with ALNM, with sensitivity of 73.5% and specificity of 84%.As the rates of complications related to tracheostomy procedures have fallen in recent years, the routine taking of pulmonary radiographs following tracheostomy has become a matter of debate. The aim of this study was to compare the incidence of complications developing in 120 children who had pulmonary radiographs taken following surgical tracheostomy and to thereby evaluate the necessity of routine pulmonary radiographs after tracheostomy.
The data were retrospectively reviewed of 120 children who had pulmonary radiographs taken following surgical tracheostomy between January 2012 and January 2018. The pulmonary radiographs taken before and immediately after tracheostomy were evaluated independently by two paediatric radiology specialists and the results were recorded.
The incidence of complications after tracheostomy was determined as 23.3%, and no pneumothorax was determined in any patient. An increase was not seen in the complication incidence in those who had undergone emergency tracheostomy and patients aged?&lt;?2 years, which are accepted as high-risk groups. In the evaluation of the pre- and post-tracheostomy radiographs, new findings were determined on the post-tracheostomy radiograph that had not been there previously in eight patients (6.6%). These findings were newly formed infiltration in seven patients (5.8%), and malposition of the tracheostomy tube in one patient (0.8%). No pathology requiring intervention was determined on the radiographs of any patient.
The results of this study support the view that it is not necessary to take pulmonary radiographs routinely following tracheostomy in the paediatric age group, including those at higher risk.
The results of this study support the view that it is not necessary to take pulmonary radiographs routinely following tracheostomy in the paediatric age group, including those at higher risk.Energy spectrum computed tomography (CT) has become a promising approach for the differential diagnosis of tumor subtypes.
To explore the value of energy spectrum CT parameters in the differential diagnosis of high-grade clear cell renal cell carcinoma (ccRCC) and type II papillary renal cell carcinoma (pRCC).
Forty-two cases of high-grade ccRCC and 28 cases of type II pRCC were retrospectively reviewed. All region of interest (ROI) measurements were maintained consistently between the two-phase contrast-enhanced examinations. https://www.selleckchem.com/products/gw9662.html The ROIs encompassed as much of the enhancing areas of the lesions as possible. Energy spectrum CT parameters of all cases, including the 70 keV (HU) value, normalized iodine concentration (NIC), and energy spectrum curve slope were recorded by two radiologists with over 10 years of experience in abdominal CT diagnosis.
In the cortical phase (CP) and parenchymal phase (PP), the 70 keV (HU) value, NIC, and slope value of the energy spectrum curve of high-grade ccRCC were significantly higher than those of type II pRCC. In the CP, NIC showed the highest differential diagnosis efficiency for the two group tumors, with a sensitivity of 78.9% and a specificity of 77.0%. There was no statistical difference in tumor hemorrhage, tumor envelope, tumor morphology, tumor border, lymph node metastasis, embolism, renal pelvis invasion, or tumor calcification between the two tumor types. However, there was significant difference in the number of tumors (?=?0.019).
Energy spectrum CT parameters are valuable for the differential diagnosis of high-grade ccRCC and type II pRCC.
Energy spectrum CT parameters are valuable for the differential diagnosis of high-grade ccRCC and type II pRCC.Although there are different treatments for benign prostate hyperplasia, their efficacy and safety differ. We are currently exploring a new minimally invasive interventional therapy for benign prostatic hyperplasia (BPH).
To determine the feasibility, effectiveness, and safety of ultrasound-guided transperineal laser ablation (US-TPLA) for the treatment of BPH.
Twenty patients with BPH (mean age?=?73.9?±?9.2 years) who underwent US-TPLA from June 2018 to January 2020 with a subsequent six-month follow-up were retrospectively reviewed. After local anesthesia, a 21-G trocar was inserted into the prostate tissue under ultrasound monitoring, followed by 1064 nm diode laser irradiation. Changes in international prostate symptom score (IPSS), quality of life (QoL), maximum urinary flow rate (Qmax), postvoid residual (PVR), prostate volume, and complications were evaluated six months after surgery.
All patients underwent the operation successfully without serious complications. After six months, the average IPSS improved from 22.